AUSTIN, TEXAS - November 30, 2005 – Pervasive Software® Inc. (Nasdaq: PVSW), a global value leader in data infrastructure software, today announced it plans to contribute source code for DTrace™ probes to the PostgreSQL community. DTrace probes provide a superior interface for monitoring the PostgreSQL engine and allow for more effective tuning. Pervasive also formally welcomed Sun Microsystems (Nasdaq: SUNW) to the PostgreSQL community and applauded new support of PostgreSQL through the Solaris ™ 10 Operating System. In January 2005, Pervasive introduced the first integrated set of open source support and services for the PostgreSQL database from an established database company.

“For the past year we have noted the acceleration of the predictable move in the data infrastructure software industry toward open source. The announcement by Sun is proof that PostgreSQL is now ready to take on the large commercial databases and provide a powerful and affordable alternative to restrictive and expensive traditional software infrastructure,” said David Sikora, president and CEO, Pervasive Software. “As an independent, platform-neutral infrastructure provider, Pervasive is uniquely positioned to provide services and support for any organization considering PostgreSQL.”

DTrace is part of the new Solaris 10 performance profiling framework from Sun. DTrace probes from Pervasive will add performance metrics such as cache hit ratio. DTrace probes will also be useful to participants of the BSD community who are porting DTrace from Solaris 10 to BSD. The source code from Pervasive will be added to PgFoundry, the PostgreSQL Development Group's site for developing and publishing PostgreSQL-related software.

PostgreSQL is the open source database technology leader, offering enterprise-ready core technology like views, triggers, stored procedures, and security, and it is released under the business-friendly BSD license, allowing royalty-free use within commercial settings. Pervasive provides services and professional support for PostgreSQL that assist customers in deriving value from the benefits of open source database technology -- faster adoption, greater ROI, and lower risk.

Pervasive remains focused on the infrastructure layer of the software solution stack and on delivering low total cost of ownership, so it is uniquely positioned to provide real value to channel partners and their customers. Pervasive is the first public company offering software, support and services around PostgreSQL. The company has applied deep knowledge and more than 20 years of database, migration and integration experience and expertise to the rich functionality, services and support around PostgreSQL. Pervasive has been an active PostgreSQL community member since January 2005.

About Pervasive Software

Pervasive Software (Nasdaq: PVSW) provides data infrastructure software that helps companies unleash the value of their data investments. For more than two decades, Pervasive has delivered an enduring value proposition and the best combination of performance, reliability, functionality, and connectivity. Today Pervasive is leading its chosen markets by defining and accelerating the inevitable transition from high cost to high value. Pervasive's value is proven by the size, diversity and loyalty of its customer base, partners, and channels. Tens of thousands of customers in virtually every industry, in more than 150 countries around the world, rely on Pervasive to manage, integrate, analyze and secure their critical data. For more information, go to www.pervasive.com. For more information about Pervasive PostgreSQL, go to

Cautionary Statement

This release may contain forward-looking statements, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. All forward-looking statements included in this document are based upon information available to Pervasive as of the date hereof, and Pervasive assumes no obligation to update any such forward-looking statement.

All Pervasive brand and product names are trademarks or registered trademarks of Pervasive Software Inc. in the United States and other countries. All other marks are the property of their respective owners. DTrace and Solaris are marks owned by Sun Microsystems.

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